Home / 140,095.85-193,332.05-76,433.66

Finding the Fourth Proportional to 140,095.85, 193,332.05 and 76,433.66

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Solution

The fourth proportional to 140,095.85, 193,332.05 and 76,433.66 is: 105,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.85 : 193,332.05 = 76,433.66 : x
  2. Step 2: Convert to fraction form
    140,095.85/193,332.05 = 76,433.66/x
  3. Step 3: Cross multiply
    140,095.85x = 193,332.05 × 76,433.66
  4. Step 4: Simplify right side
    140,095.85x = 14,777,075,210.14
  5. Step 5: Solve for x
    x = 14,777,075,210.14/140,095.85
  6. Step 6: Final answer
    x = 105,478.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.